﻿using System;
using System.Windows;

using NavFx;

namespace $safeprojectname$
{
	/// <summary>
	/// An application using the NavFx framework
	/// </summary>
	public partial class App: NavFx.Application
	{

		#region Constructors

		/// <summary>
		/// Default constructor
		/// </summary>
		public App():base()
		{
			this.Startup += this.Application_Startup;
			this.Exit += this.Application_Exit;
			this.UnhandledException += this.Application_UnhandledException;
			InitializeComponent();
		}

		#endregion

		#region Event handlers

		/// <summary>
		/// Load the main page when the application starts
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void Application_Startup(object sender, StartupEventArgs e)
		{
			//Load the main empty page that acts
			//as a shell for all content
			this.RootVisual = new Shell();

			//set up the navigator with the appropriate
			//transition handler, important to do this
			//before loading any NavFx pages
			Navigator appNavigator = this.GetNavigator();
			appNavigator.Transitor = new SimpleTransitor(App.Current);

			Home homePage = new Home();
			appNavigator.RegisterPage(homePage);
			appNavigator.GoToPage("Home");
		}

		/// <summary>
		/// Handles cleanup when the application exits
		/// </summary>
		private void Application_Exit(object sender, EventArgs e)
		{
	
		}

		/// <summary>
		/// Global handler for unhandled exceptions
		/// </summary>
		private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
		{
			// If the app is running outside of the debugger then report the exception using
			// the browser's exception mechanism. On IE this will display it a yellow alert 
			// icon in the status bar and Firefox will display a script error.
			if(!System.Diagnostics.Debugger.IsAttached)
			{

				// NOTE: This will allow the application to continue running after an exception has been thrown
				// but not handled. 
				// For production applications this error handling should be replaced with something that will 
				// report the error to the website and stop the application.
				e.Handled = true;

				try
				{
					string errorMsg = e.ExceptionObject.Message + e.ExceptionObject.StackTrace;
					errorMsg = errorMsg.Replace('"', '\'').Replace("\r\n", @"\n");

					System.Windows.Browser.HtmlPage.Window.Eval("throw new Error(\"Unhandled Error in NavFx Application " + errorMsg + "\");");
				}
				catch(Exception)
				{
				}
			}
		}

		#endregion
	}
}
